diff --git a/vtkm/filter/Lagrangian.hxx b/vtkm/filter/Lagrangian.hxx
index f33d1ea61..f1fe23d17 100644
--- a/vtkm/filter/Lagrangian.hxx
+++ b/vtkm/filter/Lagrangian.hxx
@@ -183,23 +183,22 @@ inline void Lagrangian::InitializeSeedPositions(const vtkm::cont::DataSet& input
   auto portal1 = BasisParticles.WritePortal();
   auto portal2 = BasisParticlesValidity.WritePortal();
 
-  vtkm::Id count = 0, id = 0;
-  for (int x = 0; x < this->SeedRes[0]; x++)
+  vtkm::Id id = 0;
+  for (int z = 0; z < this->SeedRes[2]; z++)
   {
-    vtkm::FloatDefault xi = static_cast<vtkm::FloatDefault>(x * x_spacing);
+    vtkm::FloatDefault zi = static_cast<vtkm::FloatDefault>(z * z_spacing);
     for (int y = 0; y < this->SeedRes[1]; y++)
     {
       vtkm::FloatDefault yi = static_cast<vtkm::FloatDefault>(y * y_spacing);
-      for (int z = 0; z < this->SeedRes[2]; z++)
+      for (int x = 0; x < this->SeedRes[0]; x++)
       {
-        vtkm::FloatDefault zi = static_cast<vtkm::FloatDefault>(z * z_spacing);
-        portal1.Set(count,
+        vtkm::FloatDefault xi = static_cast<vtkm::FloatDefault>(x * x_spacing);
+        portal1.Set(id,
                     vtkm::Particle(Vec3f(static_cast<vtkm::FloatDefault>(bounds.X.Min) + xi,
                                          static_cast<vtkm::FloatDefault>(bounds.Y.Min) + yi,
                                          static_cast<vtkm::FloatDefault>(bounds.Z.Min) + zi),
                                    id));
-        portal2.Set(count, 1);
-        count++;
+        portal2.Set(id, 1);
         id++;
       }
     }